Why Choose YongRui?
Built for extreme conditions. Proven reliability where failure is not an option.

Tested by Nature
From -40°C frozen plateaus to humid tropics and dusty mines.
Proven in the World's Toughest Environments
China operates the longest high-speed rail network on Earth — over 45,000 km — crossing deserts, frozen plateaus, humid tropics, and earthquake-prone zones. Our wiring systems power critical functions on CRRC trains, meeting rigorous standards.
Similarly, our harnesses equip heavy machinery from Sany and Zoomlion — excavators, loaders, and cranes that operate in muddy, dusty, high-shock conditions where failure is not an option.
Our Core Advantages
Full Vertical Integration
From copper refining to final assembly — we control every step for consistent quality and rapid response.
Advanced Manufacturing
20+ automated lines, 205+ crimping stations, ultrasonic welding, and 5-in-1 electrical testing.
Error-Free Assembly
High-precision multi-color coding and custom inkjet marking on every circuit to reduce installation errors by 40%.
Full Lifecycle Traceability
Unique Digital ID QR code for 100% traceability from raw material batch to final inspection report.
Global Certifications
IATF 16949, GJB 9001C, ISO 9001, RoHS, CCC, and UL-ready for international markets.
Trusted by Leaders
Recognized as "Strategic Supplier" and "Benchmark Partner" by CRRC, Sany, Midea, and more.
